2^log2 1/4+(16/9)^-1/2+lg20-lg2-(log3 2)*(log2 3)+(√2-1)^lg1

计算：（1）log2 (4^3*8^5);(2)log2 3+log2 6-log2 9 log2(3)×log2(4)=log2(7)?log2(3)×log2(4)=log2(7)吗?log2(1/49)+log2(1/16)+log2(1/27)等于多少呢?帮个忙! 4^1/2（log2^9-log2^5）的值 , lg(1/4)-lg2(5) 2log5(10)+log5(0.25) 2log2(25)-3log2(64) log2(log2(16) ) 化简log2 1/2+log2 2/3+log2 3/4+.+log2 31/32 [log2 1]+[log2 2]+[log2 3]+[log2 4]+[log2 5]+...+[log2 1024]=?[x]表示不超过x的最大整数2为底 答案是8204 解不等式log2(4x+8)>log2(2x+1) log3^36-log3^4+log2(log2^16)+8^2/3+(27/8)^-1/3+log8^27/log4^9怎么算啊,不好意思哦,我已经没分啦.麻烦一下写一写log2(log2^16) (27/8)^-1/3 log8^27/log4^9 2^log2 1/4+(16/9)^-1/2+lg20-lg2-(log3 2)*(log2 3)+(√2-1)^lg1 根号下[(log2^3)^2-4log2^3+4]+log2^(1/3) 根号下{[log2 （5)]^2-4log2(5)+4}+log2(1/5) 计算 根号下[(log2 5)^2-4log2 5+4]+log2 1/5 化简根号下[(log2^3)^2-4log2^3+4]+log2^(1/3) log2 SQR(7/48)+log2 12 -1/2log2 42 log2 SQR(7/48)+log2 12 -1/2log2 48 4的1/2(log2底9-log2底5)的次方等于多少? |[log2(x)]^2-3log2(x)+1| (log2)2+log2*log50+1g25值